About: Underdetection of COVID-19 cases in France in the exit phase following lockdown

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About: Underdetection of COVID-19 cases in France in the exit phase following lockdown Goto Sponge NotDistinct Permalink

An Entity of Type : schema:ScholarlyArticle, within Data Space : wasabi.inria.fr associated with source document(s)

Attributes	Values
type	Academic Article research paper schema:ScholarlyArticle
isDefinedBy	Covid-on-the-Web dataset
title	Underdetection of COVID-19 cases in France in the exit phase following lockdown
Creator	Boëlle, Pierre-Yves Colizza, Vittoria Vaux, Sophie Blanchon, Thierry Hanslik, Thomas Turbelin, Clément Souty, Cécile Guerrisi, Caroline Pullano, Giulia Valdano, Eugenio Bernard-Stoecklin, Sibylle Domenico, Laura Campèse, Christine Debin, Marion Figoni, Julie Kengne-Kuetche, Charly Sabbatini, Chiara
source	MedRxiv
abstract	A novel testing policy was implemented in May in France to systematically screen potential COVID-19 infections and suppress local outbreaks while lifting lockdown restrictions. 20,736 virologically-confirmed cases were reported in mainland France from May 13, 2020 (week 20, end of lockdown) to June 28 (week 26). Accounting for missing data and the delay from symptom onset to confirmation test, this corresponds to 7,258 [95% CI 7,160-7,336] cases with symptom onset during this period, a likely underestimation of the real number. Using age-stratified transmission models parameterized to behavioral data and calibrated to regional hospital admissions, we estimated that 69,115 [58,072-77,449] COVID-19 symptomatic cases occurred, suggesting that 9 out of 10 cases with symptoms were not ascertained. Median detection rate increased from 7% [6-9]% to 31% [28-35]% over time, with regional estimates varying from 11% (Grand Est) to 78% (Normandy) by the end of June. Healthcare-seeking behavior in COVID-19 suspect cases remained low (31%) throughout the period. Model projections for the incidence of symptomatic cases (4.5 [3.9-5.0] per 100,000) were compatible with estimates integrating participatory and virological surveillance data, assuming all suspect cases consulted. Encouraging healthcare-seeking behavior and awareness in suspect cases is critical to improve detection. Substantially more aggressive and efficient testing with easier access is required to act as a pandemic-fighting tool. These elements should be considered in light of the currently observed resurgence of cases in France and other European countries.
has issue date	2020-08-12(xsd:dateTime)
bibo:doi	10.1101/2020.08.10.20171744
has license	medrxiv
sha1sum (hex)	a24c72ca1cc56731533d106ebaca6bf58cc3a3bd
schema:url	https://doi.org/10.1101/2020.08.10.20171744
resource representing a document's title	Underdetection of COVID-19 cases in France in the exit phase following lockdown
resource representing a document's body	covid:a24c72ca1cc56731533d106ebaca6bf58cc3a3bd#body_text
is schema:about of	named entity 'symptom' named entity 'observed' named entity 'estimated' named entity '95% CI' named entity 'INCREASED' named entity 'DATA' named entity 'LIKELY' named entity 'JUNE' named entity 'CONSULTED' named entity 'FOLLOWING' named entity 'suspect' named entity 'lockdown' named entity 'symptoms' named entity 'Grand Est' named entity 'Accounting' named entity 'resurgence' named entity 'suspect' named entity 'cases' named entity 'time' named entity 'virological' named entity '5.0' named entity 'Grand Est' named entity 'real number' named entity 'COVID-19' named entity 'symptom' named entity 'COVID-19' named entity 'COVID-19' named entity 'influenza-like' named entity 'vaccine' named entity 'epidemic' named entity 'influenza' named entity 'Île-de-France' named entity 'mainland France' named entity 'diabetes' named entity 'Western Europe' named entity 'asymptomatic' named entity 'virological' named entity 'Virological' named entity 'w26' named entity 'exit strategies' named entity 'pre-symptomatic' named entity 'positive or negative' named entity 'epidemic' named entity 'CC-BY-ND' named entity '11.5' named entity '8 days' named entity 'France' named entity 'epidemic' named entity 'COVID-19' named entity 'COVID-19' named entity 'COVID-19' named entity 'medRxiv' named entity 'w26' named entity 'w27' named entity 'Red tape' named entity 'w26' named entity 'testing facilities' named entity 'epidemic model' named entity 'fever' named entity 'general population' named entity '250,000' named entity 'fatigue' named entity 'asymptomatic' named entity 'influenza' named entity 'maximum likelihood' named entity 'June 28' named entity 'probability' named entity 'maximum likelihood' named entity 'significant difference'

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